{
  "manageEntity": {
    "action": "Repost",
    "entityId": "574054137",
    "entityType": "Track",
    "metadata": "{\"is_repost_of_repost\":false}",
    "nonce": "0x503fe5a52e2a05810367b70908a80d0fdee9da8136bc1944b3f1ced3e1f28bca",
    "signature": "0xb663d23bb5c2cf631a364c5327dfb6a32a6c7651f6871097f45b54bf9514525a6dd8829c193e4797a2401d506a0c9f95fece1f66d17a29e040a102d4f2f662ca1c",
    "signer": "0x43dA66b40816c8fb9e2B0AA77E0643192169AF14",
    "userId": "636236864"
  }
}